Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 133: | \[{13^{133}-1\over12}\] | 2129 × 5229043 × 12865927 × 9468940004449<13> × 876888326003646957739121814711911814555937007963385213868622003501562224538027600538016170329361310597317151382384041<117> |